Protective Effect of Dexmedetomidine Combined with Butorphanol on Perioperative Pulmonary Function in Patients Undergoing Laparoscopic Colorectal Cancer Resection: A Randomized, Double-Blind, 2 * 2 Factorial-Controlled Trial

Li H, Zhou G, Chen H, Liu T, Xu W, Guo D, Wang S, Gao F

Drug Design, Development and Therapy 2025, 19:11911-11923

Published Date: 30 December 2025